This article is from the source 'bbc' and was first published or seen on . It will not be checked again for changes.
You can find the current article at its original source at http://news.bbc.co.uk/go/rss/-/1/hi/magazine/7987486.stm
The article has changed 3 times. There is an RSS feed of changes available.
| Version 0 | Version 1 |
|---|---|
| Is there a North-South pothole divide? | Is there a North-South pothole divide? |
| (20 minutes later) | |
| WHO, WHAT, WHY? The Magazine answers... | WHO, WHAT, WHY? The Magazine answers... |
| Roads in the North and in Scotland have far more potholes than in the South, suggests new research. Why? | Roads in the North and in Scotland have far more potholes than in the South, suggests new research. Why? |
| HOW POTHOLES ARE FORMED 1. Water penetrates crack in the road caused by traffic2. Water freezes and expands, causing rupture of asphalt surface3. Ground thaws and water melts, leaving a space4. Stress from traffic causes shell to cave in and hole to form Source: Emcol | HOW POTHOLES ARE FORMED 1. Water penetrates crack in the road caused by traffic2. Water freezes and expands, causing rupture of asphalt surface3. Ground thaws and water melts, leaving a space4. Stress from traffic causes shell to cave in and hole to form Source: Emcol |
| The further north you drive, the more likely you are to damage your car with a pothole, according to a study. | The further north you drive, the more likely you are to damage your car with a pothole, according to a study. |
| Nine of the worst 10 regions for axle and suspension failure, related to potholes, are in the north of England and Scotland. | Nine of the worst 10 regions for axle and suspension failure, related to potholes, are in the north of England and Scotland. |
| Ayrshire in Scotland has the highest rate - 14% of cars each year require repairs relating to poor road quality - and Oxfordshire has the lowest rate, where 4% of cars suffer similar failures each year. Total costs incurred by motorists top £1m a year. | Ayrshire in Scotland has the highest rate - 14% of cars each year require repairs relating to poor road quality - and Oxfordshire has the lowest rate, where 4% of cars suffer similar failures each year. Total costs incurred by motorists top £1m a year. |
| "It's incredible how clear a North-South divide these figures appear to show," says Duncan McClure Fisher, managing director of car insurer Warranty Direct, which carried out the research by evaluating claims over an eight-year period. | "It's incredible how clear a North-South divide these figures appear to show," says Duncan McClure Fisher, managing director of car insurer Warranty Direct, which carried out the research by evaluating claims over an eight-year period. |
| He adds: "Whether this is due to colder weather causing more northern roads to crack or just poor maintenance, it seems to underline a clear difference in the condition of highways across the country." | He adds: "Whether this is due to colder weather causing more northern roads to crack or just poor maintenance, it seems to underline a clear difference in the condition of highways across the country." |
| Potholes are formed by water penetrating the asphalt surface through cracks caused by traffic. When temperatures plunge, the water freezes, expands and causes the surface to rupture. | Potholes are formed by water penetrating the asphalt surface through cracks caused by traffic. When temperatures plunge, the water freezes, expands and causes the surface to rupture. |
| THE ANSWER Research into insurance claims over eight years suggests there are more potholes in the North and ScotlandThis could be due to the colder temperaturesBut this year's cold winter in the South has increased the problem | |
| When the ice melts, it leaves a void below the surface, which caves in under the stress of vehicles and eventually forms a pothole. | When the ice melts, it leaves a void below the surface, which caves in under the stress of vehicles and eventually forms a pothole. |
| This freeze-thaw cycle is the main reason why potholes form, so it should be little surprise that there are more the further north you travel, says a spokeswoman for the National Joint Utility Group, which represents utility companies on issues of road repairs. | This freeze-thaw cycle is the main reason why potholes form, so it should be little surprise that there are more the further north you travel, says a spokeswoman for the National Joint Utility Group, which represents utility companies on issues of road repairs. |
| "The main reason for potholes is the variance in temperature," she says. "The North and Scotland have more extreme temperatures than the South and that's probably the main factor." | "The main reason for potholes is the variance in temperature," she says. "The North and Scotland have more extreme temperatures than the South and that's probably the main factor." |
| 'Shocking state' | 'Shocking state' |
| But Nick Boyle of ASI, which carries out repairs to potholes for councils across the UK, says he is surprised the survey suggests any regional variations. | But Nick Boyle of ASI, which carries out repairs to potholes for councils across the UK, says he is surprised the survey suggests any regional variations. |
| "I would have thought the whole country was on a par. The roads are in a shocking state at the moment and every local authority seems to have had its funding cut." | "I would have thought the whole country was on a par. The roads are in a shocking state at the moment and every local authority seems to have had its funding cut." |
| WORST REGIONS Ayrshire - 14.05% of all carsNorthumberland - 13.84%Renfrewshire - 13.58%Angus - 13.36%County Durham - 13.07%Aberdeenshire - 11.6%North Yorkshire - 11.21%Warwickshire - 10.56%Lanarkshire - 10.48%Tyne and Wear - 10.23% Source: Warranty Direct Scotland worst for potholes | WORST REGIONS Ayrshire - 14.05% of all carsNorthumberland - 13.84%Renfrewshire - 13.58%Angus - 13.36%County Durham - 13.07%Aberdeenshire - 11.6%North Yorkshire - 11.21%Warwickshire - 10.56%Lanarkshire - 10.48%Tyne and Wear - 10.23% Source: Warranty Direct Scotland worst for potholes |
| Although there was some logic to a pattern because of the warmer temperatures further south, Mr Boyle says the harsh winter this year experienced in the South has left many roads in a very bad way. One area near Milton Keynes he described as a "disaster". | Although there was some logic to a pattern because of the warmer temperatures further south, Mr Boyle says the harsh winter this year experienced in the South has left many roads in a very bad way. One area near Milton Keynes he described as a "disaster". |
| As well as the snow compounding the freeze-thaw effect, the road repair budgets were spent on importing salt, he says, and salt degrades the road surface even further. | As well as the snow compounding the freeze-thaw effect, the road repair budgets were spent on importing salt, he says, and salt degrades the road surface even further. |
| Although the weather plays a part in forming potholes, it's up to councils to fix them, unless they are on a trunk road or motorway and then it's the responsibility of the Highways Agency. And the performance of councils varies according to their resources and priorities. | Although the weather plays a part in forming potholes, it's up to councils to fix them, unless they are on a trunk road or motorway and then it's the responsibility of the Highways Agency. And the performance of councils varies according to their resources and priorities. |
| When questioned, a spokesman for the Local Government Association wasn't aware of a difference between the North and the South, although it would make sense that the weather was a factor. | When questioned, a spokesman for the Local Government Association wasn't aware of a difference between the North and the South, although it would make sense that the weather was a factor. |
| WHO, WHAT, WHY? A regular part of the BBC News Magazine, Who, What, Why? aims to answer some of the questions behind the headlines | WHO, WHAT, WHY? A regular part of the BBC News Magazine, Who, What, Why? aims to answer some of the questions behind the headlines |
| "It could also be related to the amount of money a council has to spend on the potholes." | "It could also be related to the amount of money a council has to spend on the potholes." |
| Councils spent £53m on pothole compensation claims last year - more than the £52.3m that was actually spent fixing the problem, he says. | Councils spent £53m on pothole compensation claims last year - more than the £52.3m that was actually spent fixing the problem, he says. |
| "A culture created by no-win-no-fee lawyers is preventing us from getting on with fixing the problem." | "A culture created by no-win-no-fee lawyers is preventing us from getting on with fixing the problem." |
| Add your comments on this story, using the form below. | Add your comments on this story, using the form below. |
| The BBC may edit your comments and not all emails will be published. Your comments may be published on any BBC media worldwide. Terms & Conditions | The BBC may edit your comments and not all emails will be published. Your comments may be published on any BBC media worldwide. Terms & Conditions |